njrat | cf4dfe65f25fbf6221a767f45d1cc7f98c4cd972560d9c3a2d70cf9b87dbf644

General

Target

JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe
Size

24KB
MD5

6670b5ca013576c1221ba87d9fb349a0
SHA1

1ff170786e670149cddd702a90c8a5c0ccfc3186
SHA256

cf4dfe65f25fbf6221a767f45d1cc7f98c4cd972560d9c3a2d70cf9b87dbf644
SHA512

7d36bc4c070dd4eedb281ae2fd78240fc42fd1c280bc18b7ff3149f7ad5ab44a1ad087dfb44916944d8fced09b7ad6b6ca963f787f272ff93098acc156359df2
SSDEEP

384:qc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZvc:qe9EJLN/yRpcnuz

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2248	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe

Executes dropped EXE 1 IoCs

pid	Process
520	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe
Token: 33	520	explorer.exe
Token: SeIncBasePriorityPrivilege	520	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 520	4068	JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe	90
PID 4068 wrote to memory of 520	4068	JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe	90
PID 4068 wrote to memory of 520	4068	JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe	90
PID 520 wrote to memory of 2248	520	explorer.exe	98
PID 520 wrote to memory of 2248	520	explorer.exe	98
PID 520 wrote to memory of 2248	520	explorer.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6670b5ca013576c1221ba87d9fb349a0.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\explorer.exe

Filesize
24KB

MD5
6670b5ca013576c1221ba87d9fb349a0

SHA1
1ff170786e670149cddd702a90c8a5c0ccfc3186

SHA256
cf4dfe65f25fbf6221a767f45d1cc7f98c4cd972560d9c3a2d70cf9b87dbf644

SHA512
7d36bc4c070dd4eedb281ae2fd78240fc42fd1c280bc18b7ff3149f7ad5ab44a1ad087dfb44916944d8fced09b7ad6b6ca963f787f272ff93098acc156359df2

Download Submit
memory/520-12-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/520-15-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/520-16-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/520-17-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/520-18-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4068-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

Filesize
4KB

Download
memory/4068-1-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4068-2-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4068-13-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

Filesize
4KB

Download
memory/4068-14-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads